27554418857 has 8 divisors (see below), whose sum is σ = 32160781056. Its totient is φ = 23115560832.

The previous prime is 27554418821. The next prime is 27554418911. The reversal of 27554418857 is 75881445572.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-27554418857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27554418257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41875688 + ... + 41876345.

It is an arithmetic number, because the mean of its divisors is an integer number (4020097632).

Almost surely, 2^27554418857 is an apocalyptic number.

It is an amenable number.

27554418857 is a deficient number, since it is larger than the sum of its proper divisors (4606362199).

27554418857 is an equidigital number, since it uses as much as digits as its factorization.

27554418857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83752087.

The product of its digits is 12544000, while the sum is 56.

The spelling of 27554418857 in words is "twenty-seven billion, five hundred fifty-four million, four hundred eighteen thousand, eight hundred fifty-seven".